Hi reader in the U.S., it seems you use Wikipedia a lot; that's great! It's a little awkward to ask, but this Friday we need your help. If you have already donated, we sincerely thank you. We’re not salespeople, but we depend on donations averaging $16.36, and fewer than 1% of readers give. If you donate just $3, the price of your coffee this Friday, Wikipedia could keep thriving. Thank you.

The actual number of points that an inquiry is worth is a closely guarded secret. However, it’s safe to say that only those who are “excessively” shopping for credit will be seriously damaging their scores. The moral of this story is to shop and apply for credit only when you need it and, optimally, only after you have gotten your credit and scores in good order.

The FTC works for the consumer to prevent fraudulent, deceptive, and unfair business practices in the marketplace and to provide information to help consumers spot, stop, and avoid them. To file a complaint, visit ftc.gov/complaint or call 1-877-FTC-HELP (1-877-382-4357). The FTC enters Internet, telemarketing, identity theft, and other fraud-related complaints into Consumer Sentinel, a secure online database available to hundreds of civil and criminal law enforcement agencies in the U.S. and abroad.

A credit report includes information on where you live, how you pay your bills, and whether you’ve been sued or have filed for bankruptcy. Nationwide credit reporting companies sell the information in your report to creditors, insurers, employers, and other businesses that use it to evaluate your applications for credit, insurance, employment, or renting a home.